Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Trial sequence as used by Carrasco, Ling, and Read (2004). The observers' task is to report the position (relative to fixation) and orientation of the higher (or lower, depending on instructions) Gabor stimulus in a simultaneously presented pair. The peripheral cue is completely uninformative about the relative contrasts, positions, and orientations of the stimuli.
